HOMEWORK 6 EXTRUSION MME 2101 1. A cylindrical billet that is 100 mm long and 50 mm in diameter is reduced by direct (forward) extrusion to a 20 mm diameter. The die angle is 90. the flow curve for the work metal has a strength coefficient of 800 MPa. Determine (a) extrusion ratio‚ (b) true strain (homogeneous deformation)‚ (c) ram pressure‚ and (e) ram force. 2. A billet that is 75 mm long with diameter = 35 mm is direct extruded to a diameter of 20 mm. The extrusion die has a die angle =
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An Essay on Criticism is one of the first major poems written by the English writer Alexander Pope (1688–1744). It is written in a type of rhyming verse called heroic couplets. The poem first appeared in 1711‚ but was written in 1709‚ and it is clear from Pope’s correspondence[1] that many of the poem’s ideas had existed in prose form since at least 1706. It is a verse essay written in the Horatian mode and is primarily concerned with how writers and critics behave in the new literary commerce
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Curriculum Vitae Valeriu Marian Vasilescu Personal Details Name Address Telephone Email Date of Birth Place of Birth Nationality Gender Marital Status Driving Licence Valeriu Marian Vasilescu Flat 5‚ Copper Beech Grande Route de St John Jersey JE2 3FN 07829956198 (mobile) valychess@yahoo.com 16th June 1975 Romania Romanian Male Married with two children B‚ BE Profile My career has been in hospitality although more recently I haveworked in the fulfilmentindustry. Due to changes in legislation
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heroin addict in the 1960s.Recovery from addiction takes constant specialized care. Through intensive work‚ the addiction can be arrested. The process starts with the person admitting they have a problem. This is the first step to begin to recover. Most importantly‚ continued involvement with self- help groups is essential. These actions are only a beginning of a life- long journey. Pain medications prescribed by doctors is adding to a problem that already exists. CARES‚ Council
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Acetic acid (glacial) 100% suitable for use as excipient EMPROVE® exp Ph Eur‚BP‚JP‚USP‚E 260 For general questions please contact our Customer Service: Merck KGaA Frankfurter Str. 250 64293 Darmstadt Germany Phone: +49 6151 72-0 Fax: +49 6151 72 2000 01 March 2014 Product number Packaging Qty/Pk 1000562500 Glass bottle 2.5 l 1000569025 Plastic container 25 l 1000569190 Plastic barrel 190 l Accessories 101595 Chemizorb® H+ Absorbent and neutralizer for spilled acids‚ with indicator
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necessary reaction schemes. The reaction schemes should include molecular weights and any other important physical data for the reagents and products. Ex. Cyclohexanol was oxidized to cyclohexanone using sodium dichromate in the presence of sulfuric acid. * Note: you can download a free version of a structure editor from ACD labs‚ the PC version is called chemsketch‚ the Mac version is called marvinsketch. You should learn how to draw structures using these programs. Lab reports should look professional
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BIO-202 Unit 4 Lab Report Purpose: What was the purpose of doing this exercise? Activity 1: Microscopic Anatomy of Lymphatic Structures Observations: Sketch of Reticular Connective Tissue Slide (Lymph Node). Describe the structures you observed on the slide Sketch of Spleen Slide: Describe the structures you observed on the slide Sketch of Tonsil Slide: Describe the structures you observed on the slide Sketch of Thymus Slide: Describe the structures you observed on the slide
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Nitric Acid Nitric acid is an acid many people have come across in life. One may have felt nitric acid when touching fertilizers‚ or using dyes. Nitric acid appears in substances we never thing it would be used in. In fact‚ small contents of nitric is acid is found in raindrops that fall from the sky. Nitric acid‚ or known as NHO3aq is an acid formed from reaction of ammonia and oxygen. Nitric acid is a colourless acid when it’s pure‚ or can be found yellow or red. This acid can be very corrosive
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PRODUCTION OF CITRIC ACID Introduction: Citric acid is a White solid‚C3H4OH(COOH)3‚soluble in water and slightly soluble in organic solvents‚ which melts at 153 oC. Aqueous solutions of citric acid are slightly more acidic than solutions of acetic acid. Traces of citric acid are found in numerous plants and animals‚ because it is a nearly universal intermediate product of metabolism. Large amount of the acid are found in the juice of citrus fruits‚ from which it is precipitated by the
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form of a hydrogen ion. This is what we call the Bronsted-Lowry definition of an acid‚ which is the main focus of this lesson. !!!What is a Bronsted-Lowry Acid? What makes a solution an acid? There are different definitions proposed by different scientists about what makes an acidic solution. Particularly‚ there were two scientists who independently proposed essentially the same theory about the definition of acids and bases. In 1923‚ Johannes Nicolaus Bronsted and Thomas Martin Lowry‚ from Denmark
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